PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If validated, this would make Mars' northern hemisphere the site of an impact crater 10 600 km long by 8 500 km wide, or roughly the area of Europe, Asia, and Australia combined, surpassing the South Pole-Aitken basin as the largest impact crater in the Solar System.[1][2] The surface of Mars as seen from Earth is divided into two kinds of areas, with differing albedo.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikia.com